Glossidiella peruensis sp. nov. from lungs of brown ground snake Atractus major, holotype : (1) body, ventral view; (2) terminal genitalia, (3) ovarian complex ; (4) egg. (ci) Cirrus, (cgp) common genital pore, (cs) cirrus sac, (ed) ejaculatory duct, (eg) egg, (me) metraterm, (mg) Mehlis’ gland, (ov) ovary, (pg) prostatic glands, (sr) seminal receptacle, (sv) seminal vesicle, (u) uterus, (vr) vitelline reservoir, (vs) ventral sucker. Scale bars: 1, 2 = 500 μm, 3 = 100 μm, 4 = 20 μm.